Reiss, G. Choosing a project management system. Centre for Information Services.
Cita Chicago (17th ed.)Reiss, George. Choosing a Project Management System. Pretoria, South Africa: Centre for Information Services.
Cita MLA (9th ed.)Reiss, George. Choosing a Project Management System. Centre for Information Services.
Atenció: Aquestes cites poden no estar 100% correctes.